Actinobacillus pleuropneumonia (APP)

Question 1

Etiology

Answer 1

Actinobacillus pleuropneumoniae

Question 2

Clinical disease occurs most often in ___ and _____.

Answer 2

Growers and finishers

Question 3

There are a total of ___ serotypes identified. Which serotypes are most commonly associated with disease in US?

Answer 3

12 total; 1, 5, 7 are most commonly associated with disease in the US

Question 4

Are chronically infected carrier pigs significant in APP?

Answer 4

Yes - may transmit organism to susceptible pigs.

Question 5

Clinical Signs

Answer 5

• May have sudden death with no clinical signs.
• Other clinical signs may include anorexia, depression, fever, and labored breathing
• Coughing is not a prominent clinical sign
• Recovered pigs may be chronic poor-doers

Question 6

Diagnosis of APP can be based on lesions - which include:

Answer 6

Pulmonary hemorrhage, necrosis, and pleuritis

Question 7

Diagnosis based on culture requires _____ for growth.

Answer 7

NAD

Question 8

This diagnostic test may help identify population exposure status and time of seroconversion.

Answer 8

Serology

Question 9

Treatment of APP

Answer 9

• Parenteral antibiotics: ceftiofur, tulathromycin, enrofloxicin, oxytetracycline, pencillin
• In drinking water: tiamulin, florfenicol

Question 10

Prevention and control of APP - prophylactic medications

Answer 10

• Tilmicosin (pulmotil) int he feed
• Florfenicol (Nuflor in the feed)
  
  • Both available by VFD

Question 11

Other prevention and control mechanisms for APP include vaccination and segregated early weaning. True or False.

Answer 11

True